Warning light system for vehicles



FIG. 1 is a top plan view of a warning light system for vehicles showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a side elevational view thereof, the opposite side being a mirror image.

The system brackets are shown in broken lines for illustrative purposes only. 

The ornamental design for the warning light system for vehicles substantially, as shown and described. 